\Mes"sage\ (?; 48), n. [F., fr. LL. missaticum, fr. L.
mittere, missum, to send. See {Mission}, and cf.
{Messenger}.]
1. Any notice, word, or communication, written or verbal,
sent from one person to another.
Ehud said, I have a message from God unto thee.
--Judg. iii.
20.
2. Hence, specifically, an official communication, not made
in person, but delivered by a messenger; as, the
President's message.
{Message shell}. See {Shell}.

In object-oriented programming sending a message to an object (to invoke a method) is equivalent to calling a procedure in traditional programming languages, except that the actual code executed may only be selected at run time depending on the class of the object. Thus, in response to the message "drawSelf", the method code invoked would be different if the target object were a circle or a square.

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Dream Dictionary

Definition:

Dreaming that you are sending a message, forewarns that you will be put into an unpleasant situation.
Dreaming that you are receiving a message means changes in your affairs.